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Sagot :

Bonjour


calculer les expressions suivantes sachant que a = -0,5 ; b = 6 ; c = -10


C = -a x c + b^2

C = -(-0,5) x (-10) + 6^2

C = 0,5 x (-10) + 36

C = -5 + 36

C = 31


D = 4 x (a - b) + b : c

D = 4 x (-0,5 - 6) + 6/(-10)

D = 4 x (-6,5) - (2 x 3)/(2 x 5)

D = -26 - 3/5

D = (-26 x 5)/5 - 3/5

D = -130/5 - 3/5

D = -133/5

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